Sridhar Samudrala <[EMAIL PROTECTED]> wrote on 05/17/2007 03:14:41 AM:

> Krishna Kumar2 wrote:
> > Hi Sridhar,
> >
> > Sridhar Samudrala <[EMAIL PROTECTED]> wrote on 05/17/2007 03:42:03 AM:
> >
> >> AFAIK, gso_skb can be a list of skb's. Can we add a list
> >> to another list using __skb_queue_head()?
> >> Also, if gso_skb is a list of multiple skb's, i think the
> >> count needs to be decremented by the number of segments in
> >> gso_skb.
> >
> > gso_skb is the last GSO skb that failed to be sent. This already
> > segmented skb is kept "cached" and whenever the next xmit happens,
> > this skb is first sent before any packets from the queue are taken
> > out (otherwise out-of-order packets). So there can atmost be one
> > gso_skb per device.
>
> Yes. There can be only one gso_skb per device. But it can have more
> than one segments linked together via skb->next.

It will definitely have more than 1 segments (criterea to be on the
gso_skb). But I think you are right, the segmented skb will "lose"
it's 1-n segments (newsk->next = next) when it is added to the list.

Thanks,

- KK

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